June 2013
Volume 54, Issue 15
Free
ARVO Annual Meeting Abstract  |   June 2013
Results of cross-linking in keratoconic corneas on visual function. One year follow-up
Author Affiliations & Notes
  • Ricardo Cuina
    Oftalmología, Hospital Clínico San Carlos, Madrid, Spain
  • Jose Vazquez-Molini
    Oftalmología, Hospital Clínico San Carlos, Madrid, Spain
  • David Diaz-Valle
    Oftalmología, Hospital Clínico San Carlos, Madrid, Spain
  • Jose Benitez-del-Castillo
    Oftalmología, Hospital Clínico San Carlos, Madrid, Spain
  • Footnotes
    Commercial Relationships Ricardo Cuina, None; Jose Vazquez-Molini, None; David Diaz-Valle, None; Jose Benitez-del-Castillo, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science June 2013, Vol.54, 5273. doi:https://doi.org/
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      Ricardo Cuina, Jose Vazquez-Molini, David Diaz-Valle, Jose Benitez-del-Castillo; Results of cross-linking in keratoconic corneas on visual function. One year follow-up. Invest. Ophthalmol. Vis. Sci. 2013;54(15):5273. doi: https://doi.org/.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: To assess the changes in uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), contrast sensitivity (CS), root-mean-square (RMS) wave-front error, Kmax and Km in patients with keratoconus (KC) after cross-linking.

Methods: Twenty-eigth patients with KC grade 2-3 (Amsler classification)treated with cross-linking were studied for one year. UCVA and BCVA at distance (measured by ETDRS), subjective refraction and CS (by CSV1000) were assessed. Kmax, Km and RMS wave-front error with 3.5 mm of pupil size were evaluated by Pentacam topography. Measures were taken preoperatively and 1, 3, 6 and 12 months after surgery. Statistical analysis was performed by using the Wilcoxon signed range test.

Results: There was not significant difference in RMS wave-front error preoperatively and at any postoperatively measurement (p>0.05). UCVA (-0.09 logmar units) and BCVA (-0.07 logmar units) improved statistically (p<0.05) at 12 months postoperatively. CS improved at 1, 3, 6 and 12 months after surgery. We did not any significant difference in Kmax and Km.

Conclusions: Cross-linking treatment in KC patients grade 2-3 seems to improve UCVA, BCVA and CS although we did not find a reduction in RMS wave-front error and corneal keratometric measurements.

Keywords: 574 keratoconus  
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